I________in the house which______books and magazinesA.am used to live;uede to keepingB.used to live;has been used to keepingC.have been used to living;was used to keepD.used to live;was used to keeping
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C解析考查used的用法。句意“我已经习惯了这个房子里居住，这个房子以前是用于存放书籍和杂志。”be used to doing sth.“习惯于做某事”；be used to do sth.“被用于做某事”。故选C。